Recent trends reveal decreasing intensity of daily precipitation in Spain

被引:49
|
作者
Serrano-Notivoli, Roberto [1 ]
Begueria, Santiago [2 ]
Angel Saz, Miguel [3 ]
de Luis, Martin [3 ]
机构
[1] BSC, Barcelona, Spain
[2] CSIC, EEAD, Zaragoza 50059, Spain
[3] Univ Zaragoza, Dept Geog & Reg Planning, Zaragoza, Spain
关键词
climate variability; daily precipitation; Spain; trends; EXTREME PRECIPITATION; DAILY RAINFALL; IBERIAN PENINSULA; SEASONAL PRECIPITATION; MEDITERRANEAN AREA; EVENTS; PATTERNS; CLIMATOLOGY; VARIABILITY; CIRCULATION;
D O I
10.1002/joc.5562
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
A comprehensive analysis of the spatial and temporal variability of daily precipitation in Spain in the period 1950-2012 was carried out based on the high-resolution gridded data set SPREAD at a 5x5km spatial resolution. Temporal trends of 12 daily precipitation indices were computed by application of the Sen's slope and the Mann-Kendall tests. The spatial distribution of the trends showed (a) a global slight increase in the duration of the precipitation events, especially along the Mediterranean fringe; (b) an increase of the frequency of low precipitation events and a decrease of the frequency of high and very high events (inverse in the Mediterranean coast); and (c) a slight decrease of the intensity when considering single events (1- or 5-day duration), but a significant negative trend in mean and median precipitation when considering all the precipitation days (p>0), especially in the Mediterranean coast.
引用
收藏
页码:4211 / 4224
页数:14
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